Headset-microphone

Features

Specifications

• Frequency Rating:
  Between 0.4 kilohertz and 4.0 kilohertz
• Switch:
  Not included
• Dc Resistance Rating In Ohms:
  50.0
• Impedance Rating:
  600.0 ohms
• Earphone Element Type:
  Magnetic
• Earphone Quantity:
  1
• Controlling Agency:
  Western electric co inc
• Identifying Number:
  N1 type no.
• Operating Current Rating:
  165.0 milliamperes
• Earphone Impedance Rating:
  650.0 ohms
• Earphone Controlling Agency:
  Western electric co inc
• Earphone Identifying Number:
  Nc4 part no.
• Microphone Element Type:
  Carbon
• Output Level Rating:
  65 db below 1v
• Earphone Mounting Method:
  Suspended on headband
• Microphone Mounting Facility:
  Adapter fastened to left side of headband
• Connector Name:
  Plug
• Connector Identifying Number:
  289b part no.
• Connector To Junction Cord Length:
  15.000 feet
• Connector Controlling Agency:
  Western electric co inc
• Federal Supply Class (fsc):
  Headsets, handsets, microphones and speakers
• National Stock Number (nsn):
  5965-00-879-1767